1QAN	Transferase	date	Mar 26, 1999
title	The Structure Of The Rrna Methyltransferase Ermc': Implicati The Reaction Mechanism
authors	G.Schluckebier, P.Zhong, K.D.Stewart, T.J.Kavanaugh, C.Abad-Zapa
compound		source
Molecule: Ermc' Methyltransferase Chain: A Synonym: Rrna Adenine N-6-Methyltransferase Ec: 2.1.1.48 Engineered: Yes		Organism_scientific: Bacillus Subtilis Organism_taxid: 1423 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 43 21 2	R_factor 0.228 R_Free 0.263
crystal cell	length a length b length c angle alpha angle beta angle gamma 81.210 81.210 122.110 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	ACT, SAH	enzyme	Transferase E.C.2.1.1.48 BRENDA
related structures	by homologous chain: 1QAM, 1QAO
Gene Ontology	Chain Function Process Component A rRNA (adenine-N6,N6-)-dimeth... 23S rRNA (adenine(2085)-N(6)...
Primary reference	The 2.2 A structure of the rRNA methyltransferase ErmC' and its complexes with cofactor and cofactor analogs: implications for the reaction mechanism., Schluckebier G, Zhong P, Stewart KD, Kavanaugh TJ, Abad-Zapatero C, J Mol Biol 1999 Jun 4;289(2):277-91. PMID:10366505

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (1qan.pdb1.gz) 43 Kb LPC: Ligand-Protein Contacts for 1QAN CSU: Contacts of Structural Units for 1QAN Likely Quarternary Molecular Structure file(s) for 1QAN Retrieve 1QAN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QAN from S2C, [Save to disk]

View 1QAN in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1QAN

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QAN, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qana_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1qan_A] [1qan] SWISS-PROT database: [P13956] Domain organization of [ERM_BACSU] by SWISSPFAM Domain found in 1QAN: [rADc ] by SMART

Other resources with information on 1QAN

Community annotation for 1QAN at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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